Mercurial > projects > dwt-addons
annotate dwtx/jface/text/templates/TemplateContext.d @ 200:eb3414669eb0 default tip
fix for dmd 1.041 and tango 0.99.8
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sat, 28 Mar 2009 03:09:57 +0100 |
| parents | 1a5b8f8129df |
| children |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2005 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.text.templates.TemplateContext; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.templates.SimpleTemplateVariableResolver; // packageimport |
| 16 import dwtx.jface.text.templates.TemplateBuffer; // packageimport | |
| 17 import dwtx.jface.text.templates.TemplateContextType; // packageimport | |
| 18 import dwtx.jface.text.templates.Template; // packageimport | |
| 19 import dwtx.jface.text.templates.TemplateVariable; // packageimport | |
| 20 import dwtx.jface.text.templates.PositionBasedCompletionProposal; // packageimport | |
| 21 import dwtx.jface.text.templates.TemplateException; // packageimport | |
| 22 import dwtx.jface.text.templates.TemplateTranslator; // packageimport | |
| 23 import dwtx.jface.text.templates.DocumentTemplateContext; // packageimport | |
| 24 import dwtx.jface.text.templates.GlobalTemplateVariables; // packageimport | |
| 25 import dwtx.jface.text.templates.InclusivePositionUpdater; // packageimport | |
| 26 import dwtx.jface.text.templates.TemplateProposal; // packageimport | |
| 27 import dwtx.jface.text.templates.ContextTypeRegistry; // packageimport | |
| 28 import dwtx.jface.text.templates.JFaceTextTemplateMessages; // packageimport | |
| 29 import dwtx.jface.text.templates.TemplateCompletionProcessor; // packageimport | |
| 30 import dwtx.jface.text.templates.TextTemplateMessages; // packageimport | |
| 31 import dwtx.jface.text.templates.TemplateVariableType; // packageimport | |
| 32 import dwtx.jface.text.templates.TemplateVariableResolver; // packageimport | |
| 33 | |
| 34 | |
| 129 | 35 import dwt.dwthelper.utils; |
| 36 | |
|
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37 import dwtx.dwtxhelper.Collection; |
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f70d9508c95c
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38 |
| 129 | 39 |
| 40 import dwtx.jface.text.BadLocationException; | |
| 41 | |
| 42 /** | |
| 43 * Provides the context for a <code>Template</code> being resolved. Keeps track | |
| 44 * of resolved variables. | |
| 45 * <p> | |
| 46 * Clients may extend this class. | |
| 47 * </p> | |
| 48 * | |
| 49 * @since 3.0 | |
| 50 */ | |
| 51 public abstract class TemplateContext { | |
| 52 | |
| 53 /** The context type of this context */ | |
| 146 | 54 private const TemplateContextType fContextType; |
| 129 | 55 /** Additional variables. */ |
| 162 | 56 private const Map fVariables; |
| 129 | 57 /** A flag to indicate that the context should not be modified. */ |
| 58 private bool fReadOnly; | |
| 59 | |
| 60 /** | |
| 61 * Creates a template context of a particular context type. | |
| 62 * | |
| 63 * @param contextType the context type of this context | |
| 64 */ | |
|
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65 protected this(TemplateContextType contextType) { |
| 162 | 66 fVariables= new HashMap(); |
| 129 | 67 fContextType= contextType; |
| 68 fReadOnly= true; | |
| 69 } | |
| 70 | |
| 71 /** | |
| 72 * Returns the context type of this context. | |
| 73 * | |
| 74 * @return the context type of this context | |
| 75 */ | |
| 76 public TemplateContextType getContextType() { | |
| 77 return fContextType; | |
| 78 } | |
| 79 | |
| 80 /** | |
| 81 * Sets or clears the read-only flag. | |
| 82 * | |
| 83 * @param readOnly the new read-only state | |
| 84 */ | |
| 85 public void setReadOnly(bool readOnly) { | |
| 86 fReadOnly= readOnly; | |
| 87 } | |
| 88 | |
| 89 /** | |
| 90 * Returns <code>true</code> if the receiver is read-only, <code>false</code> otherwise. | |
| 91 * | |
| 92 * @return <code>true</code> if the receiver is read-only, <code>false</code> otherwise | |
| 93 */ | |
| 94 public bool isReadOnly() { | |
| 95 return fReadOnly; | |
| 96 } | |
| 97 | |
| 98 /** | |
| 99 * Defines the value of a variable. | |
| 100 * | |
| 101 * @param name the name of the variable | |
| 102 * @param value the value of the variable, <code>null</code> to un-define a variable | |
| 103 */ | |
| 104 public void setVariable(String name, String value) { | |
| 105 fVariables.put(name, value); | |
| 106 } | |
| 107 | |
| 108 /** | |
| 109 * Returns the value of a defined variable. | |
| 110 * | |
| 111 * @param name the name of the variable | |
| 112 * @return returns the value of the variable, <code>null</code> if the variable was not defined | |
| 113 */ | |
| 114 public String getVariable(String name) { | |
| 162 | 115 return stringcast( fVariables.get(name)); |
| 129 | 116 } |
| 117 | |
| 118 /** | |
| 119 * Evaluates the template in this context and returns a template buffer. | |
| 120 * <p> | |
| 121 * Evaluation means translating the template into a <code>TemplateBuffer</code>, | |
| 122 * resolving the defined variables in this context and possibly formatting | |
| 123 * the resolved buffer.</p> | |
| 124 * | |
| 125 * @param template the template to evaluate | |
| 126 * @return returns the buffer with the evaluated template or <code>null</code> if the buffer could not be created | |
| 127 * @throws BadLocationException if evaluation fails due to concurrently changed documents etc. | |
| 128 * @throws TemplateException if the template specification is not valid | |
| 129 */ | |
| 145 | 130 public abstract TemplateBuffer evaluate(Template template_); |
| 129 | 131 |
| 132 /** | |
| 133 * Tests if the specified template can be evaluated in this context. | |
| 134 * <p>Examples are templates defined for a different context (e.g. a javadoc | |
| 135 * template cannot be evaluated in Java context).</p> | |
| 136 * | |
| 137 * @param template the <code>Template</code> to check | |
| 138 * @return <code>true</code> if <code>template</code> can be evaluated | |
| 139 * in this context, <code>false</code> otherwise | |
| 140 */ | |
| 145 | 141 public abstract bool canEvaluate(Template template_); |
| 129 | 142 |
| 143 } |